Matematika Sekolah Dasar f(x) = 56(x) × x!! + 2x - x³
f(8) = ...

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f(x) = 56(x) × x!! + 2x - x³
f(8) = ...

Good Luck​

f(x) = 56(x) × x!! + 2x - x³

f(8) = 56(8) × 8!! + 2(8) - 8³

f(8) = ( 56 × 8 ) × 8 × 6 × 4 × 2 + ( 2 × 8 ) - 8 × 8 × 8

f(8) = 448 × 48 × 4 × 2 + 16 - 64 × 8

f(8) = 448 × 192 × 2 + 16 - 512

f(8) = 448 × 384 + 16 - 512

f(8) = 172032 + 16 - 512

f(8) = 172048 - 512

f(8) = 171.536

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Jawaban:

f(x) = 56(x) × x!! + 2x - x³

f(8) = 56(8) × 8!! + 2(8) - 8³

= (56 × 8) × (8 × 6 × 4 × 2) + (2 × 8) - (8 × 8 × 8)

= 448 × (48 × 4 × 2) + 16 - (64 × 8)

= 448 × (192 × 2) + 16 - 512

= 448 × 384 + 16 - 512

= 172.032 + 16 - 512

= 172.048 - 512

= 171.536

{koreksi}

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